Incidental Mutation 'R0798:Crppa'
ID 76497
Institutional Source Beutler Lab
Gene Symbol Crppa
Ensembl Gene ENSMUSG00000043153
Gene Name CDP-L-ribitol pyrophosphorylase A
Synonyms Ispd, 4930579E17Rik
MMRRC Submission 038978-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0798 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 36431449-36739502 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 36571998 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 302 (R302H)
Ref Sequence ENSEMBL: ENSMUSP00000152872 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000062041] [ENSMUST00000221177] [ENSMUST00000221452] [ENSMUST00000223205]
AlphaFold Q5RJG7
Predicted Effect probably benign
Transcript: ENSMUST00000062041
AA Change: R352H

PolyPhen 2 Score 0.168 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000061646
Gene: ENSMUSG00000043153
AA Change: R352H

DomainStartEndE-ValueType
Pfam:IspD 45 277 2.5e-40 PFAM
Pfam:NTP_transf_3 47 274 3.1e-11 PFAM
low complexity region 359 370 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000221177
AA Change: R253H

PolyPhen 2 Score 0.258 (Sensitivity: 0.91; Specificity: 0.88)
Predicted Effect probably benign
Transcript: ENSMUST00000221452
AA Change: R352H

PolyPhen 2 Score 0.168 (Sensitivity: 0.92; Specificity: 0.87)
Predicted Effect probably benign
Transcript: ENSMUST00000223205
AA Change: R302H

PolyPhen 2 Score 0.258 (Sensitivity: 0.91; Specificity: 0.88)
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.4%
  • 20x: 95.2%
Validation Efficiency 100% (30/30)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase-like protein. Mutations in this gene are the cause of Walker-Warburg syndrome. Alternate splicing results in multiple transcript variants. [provided by RefSeq, May 2012]
PHENOTYPE: Mice homozygous for an ENU-induced allele exhibit neonatal lethality due to respiratory failure, abnormal axon guidance and fasciculation, abnormal dorsal funiculus, detachment of radial glial cell endfeet and neuronal heterotopias. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 30 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2010315B03Rik T C 9: 124,057,789 (GRCm39) probably benign Het
4930579C12Rik T A 9: 89,034,880 (GRCm39) noncoding transcript Het
Baz2a T A 10: 127,962,192 (GRCm39) probably benign Het
Bcar3 T C 3: 122,318,948 (GRCm39) V695A probably benign Het
C130074G19Rik G A 1: 184,614,873 (GRCm39) probably benign Het
Cmas T C 6: 142,710,382 (GRCm39) V167A probably damaging Het
Cyp3a25 T C 5: 145,928,343 (GRCm39) E234G probably damaging Het
Gopc C T 10: 52,234,907 (GRCm39) G79S probably damaging Het
Herc2 T A 7: 55,785,431 (GRCm39) probably null Het
Iqca1 C A 1: 90,070,453 (GRCm39) G133V probably null Het
Kcnq5 A G 1: 22,031,399 (GRCm39) probably null Het
Lpp G T 16: 24,790,622 (GRCm39) G29* probably null Het
Ly6g6e T C 17: 35,297,017 (GRCm39) F86S probably benign Het
Myo5c T C 9: 75,165,266 (GRCm39) F358S probably damaging Het
Nlgn1 A G 3: 25,488,410 (GRCm39) Y613H probably benign Het
Or4k38 T C 2: 111,165,689 (GRCm39) I245V probably benign Het
Or7e178 A T 9: 20,225,495 (GRCm39) Y232* probably null Het
Plekhn1 T A 4: 156,312,720 (GRCm39) D46V probably damaging Het
Ptp4a1 A T 1: 30,984,005 (GRCm39) probably benign Het
Rab23 A T 1: 33,773,908 (GRCm39) I123F probably damaging Het
Samd4b G A 7: 28,101,048 (GRCm39) probably benign Het
Shisa4 G A 1: 135,300,886 (GRCm39) probably benign Het
Slc39a11 C T 11: 113,414,330 (GRCm39) A90T probably benign Het
Tas1r2 T C 4: 139,397,024 (GRCm39) Y788H probably damaging Het
Tasor T A 14: 27,198,593 (GRCm39) F1308L probably damaging Het
Tial1 C T 7: 128,045,602 (GRCm39) M327I probably benign Het
Ubr2 C T 17: 47,280,102 (GRCm39) probably benign Het
Utp4 T C 8: 107,648,858 (GRCm39) S630P probably benign Het
Vmn1r212 T C 13: 23,067,868 (GRCm39) N155S probably damaging Het
Zmym6 C T 4: 126,997,316 (GRCm39) P312S probably benign Het
Other mutations in Crppa
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01753:Crppa APN 12 36,523,176 (GRCm39) missense probably damaging 1.00
IGL01845:Crppa APN 12 36,597,918 (GRCm39) missense probably benign 0.10
R0329:Crppa UTSW 12 36,431,837 (GRCm39) missense possibly damaging 0.71
R0513:Crppa UTSW 12 36,440,467 (GRCm39) missense probably damaging 1.00
R1676:Crppa UTSW 12 36,526,720 (GRCm39) missense probably benign 0.02
R1704:Crppa UTSW 12 36,571,493 (GRCm39) missense probably benign 0.00
R1937:Crppa UTSW 12 36,440,367 (GRCm39) missense probably benign 0.13
R1987:Crppa UTSW 12 36,571,995 (GRCm39) missense probably damaging 1.00
R4518:Crppa UTSW 12 36,523,179 (GRCm39) missense possibly damaging 0.81
R5726:Crppa UTSW 12 36,597,829 (GRCm39) missense probably damaging 0.99
R6508:Crppa UTSW 12 36,476,298 (GRCm39) missense possibly damaging 0.92
R7315:Crppa UTSW 12 36,440,373 (GRCm39) missense probably benign 0.00
R7395:Crppa UTSW 12 36,551,994 (GRCm39) missense possibly damaging 0.86
R7819:Crppa UTSW 12 36,431,902 (GRCm39) missense probably benign 0.00
R8392:Crppa UTSW 12 36,440,497 (GRCm39) missense probably damaging 1.00
R8810:Crppa UTSW 12 36,440,481 (GRCm39) missense probably damaging 1.00
R9280:Crppa UTSW 12 36,571,975 (GRCm39) missense probably benign 0.02
R9401:Crppa UTSW 12 36,552,073 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- AACAATGTCAGAGAATGGACCCTGC -3'
(R):5'- TTTGAGCCACATGACCACAGCC -3'

Sequencing Primer
(F):5'- GAGATGCAAGTATTGCTTCCAAC -3'
(R):5'- GGCACAAGTCAGCAGAAATATC -3'
Posted On 2013-10-16